@AntonAU I'm the OP, and I was able to get something that worked for me. Using Switch ACLs, I did the following: 1. Create the 1 to 1 NAT rule. In my case, it was one of my public IP Aliases to an...

@AngelaGarza Hit the advanced button at the bottom of the warning and choose the option to continue. If there is no option to continue, then you can type "thisisunsafe" without the quotes, and it...

@Clive_A It happened again. This was in the event log: hw-sung-jin-sw was disconnected from network "management_vlan(Default)" on hw-24poe-sw(connected time:45h3m connected, traffic: 0Bytes) and...

@Clive_A re-working my topology isn't an option right now, this is in production. However, I did replace the keystone jack in the office, and re-punch down the core switch side to the patch panel,...

@Clive_A as mentioned in the original post, it is a Zyxel GS1900, but originally it was a Cisco SG350. I replaced the Cisco with the Zyxel because of this issue, but the issue persists, so it's not...

@muzicman0 The switch that is being pinged doesn't have a sleep mode. Also, it will come back after some time. sometimes it is seconds, sometimes it is 30 minutes, but it always comes back with no...